Two days ago, Update Manager said there were several pending updates. Which I didn't check (my bad) and just went for it. Left it updating all night. Next day after rebooting, Gnome Desktop wouldn't show wallpapers nor icons.

==================================================
ATI Technologies Linux Driver Installer/Packager
==================================================
Error: ./default_policy.sh does not support version
default:v2:x86_64:lib32::none:3.8.0-37-generic; make sure that the version is being
correctly set by --iscurrentdistro
Removing temporary directory: fglrx-install.ejUbLW
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So I'm stuck using Firefox which is terrible slow!
Any ideas anybody? Suggestions are welcome!

--- EDIT ---

When running Chrome from command line (terminal) and browsing nothing more than Google's homepage, I get this error in less than 5 minutes:

On @saiarcot895's clue about using Google Sync... I opened Chrome once again from command line and tried to unsync my account. And as soon as I clic on the button to unlink my account, I get this other error: